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HR51


HR51 material is B.S. BS 2HR 51 (2010) Specification for high expansion heat-resisting steel billets, bars, forgings and parts (Ni 25.5, Cr 15, Ti 2, Mn 1.5, Mo 1.25, Si 0.7, V 0.3)(Solution treated at 980 °C) B.S. BS HR 51 Specification for heat-resisting alloy billets, bars, forgings and parts (Ni 25.5, Cr 14.7, Ti 2, Mn 1.5, Mo 1.2, Si 0.7, V 0.3, Fe remainder) Specification for heat-resisting alloy billets, bars, forgings and parts (Ni 25.5, Cr 14.7, Ti 2, Mn 1.5, Mo 1.2, Si 0.7, V 0.3, Fe remainder).

Chemical composition of HR51, HR51 mechanical properties, HR51 datasheet, HR51 equivalent grade, Heat treatment and temperature process of HR51.


HR51 property sheet

HR51 Spec.

B.S. BS 2HR 51 (2010)
Specification for high expansion heat-resisting steel billets, bars, forgings and parts (Ni 25.5, Cr 15, Ti 2, Mn 1.5, Mo 1.25, Si 0.7, V 0.3)(Solution treated at 980 °C)
B.S. BS HR 51
Specification for heat-resisting alloy billets, bars, forgings and parts (Ni 25.5, Cr 14.7, Ti 2, Mn 1.5, Mo 1.2, Si 0.7, V 0.3, Fe remainder)

Related Materials

HR51

Chemical Composition of HR51

C: Max 0.08
Si: Max 1.00
Mn: Max 2.00
P: Max 0.020
S: Max 0.015
Cr: 13.50 16.00
Ni: 24.00 27.00
Mo: 1.00 1.50
Co: Max Min
Ti: 1.90 2.30
Fe: Max remaining
Al: Max 0.35
V: 0.10 0.50
B: 0.0030 0.0100
Pb: Max 0.005

Mechanical Properties of HR51

Rp0.2 (MPa) 275 (≥)
Rm (MPa) 384 (≥)
AKV (J) 41
A (%) 43
Z (%) 43
Hardness HBW 311

HR51 shape and dimensions

HR51 Round bar: 1mm-800mm
HR51 Square bar: 10mm * 10mm-600mm *600mm
HR51 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
HR51 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
HR51 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
HR51 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes